# vlibc — top-level build (see building/C.md and layouts/C.md).

SUBDIRS = benchmarks

AM_CPPFLAGS = -I$(top_srcdir)/include
AM_CFLAGS = @VLIBC_CFLAGS@

# ---- Library -------------------------------------------------------------
vlibc_include_HEADERS = include/vlibc.h include/stddef.h include/string.h
vlibc_lib_LTLIBRARIES = libvlibc.la

libvlibc_la_SOURCES = src/vlibc.c src/string/strlen.c src/string/strcmp.c \
    src/string/memcpy.c src/string/memmove.c src/string/memset.c
if PROFILE_GE_2
libvlibc_la_SOURCES += src/string/strlcpy.c src/string/strlcat.c
endif
if PROFILE_GE_3
libvlibc_la_SOURCES += src/string/strcasestr.c
endif
libvlibc_la_LDFLAGS = -version-info 0:0:0 -no-undefined

# Install location depends on the install method (see configure.ac).
if INSTALL_OVERWRITE
vlibc_includedir = $(includedir)
vlibc_libdir = $(libdir)
else
vlibc_includedir = $(prefix)/lib/vlibc/include
vlibc_libdir = $(prefix)/lib/vlibc/lib
endif

# Generated per-profile feature header (see configure.ac); installed under
# $(vlibc_includedir)/vlibc/. A dedicated primary is used because
# nodist_nobase_vlibc_include_HEADERS is rejected by automake (the "nobase"
# prefix is unsupported for this directory) and loses the vlibc/ path.
vlibc_featuresdir = $(vlibc_includedir)/vlibc
nodist_vlibc_features_HEADERS = include/vlibc/features.h

# ---- Compiler drivers ----------------------------------------------------
bin_SCRIPTS = tools/vlibc-gcc tools/vlibc-clang

# ---- Targets -------------------------------------------------------------
# layouts/C.md requires `make debug`, `make release`, `make bench` and
# `make clean`; build outputs land in bin/{release,debug}.
DEBUG_CFLAGS = -O0 -g3 -DDEBUG
RELEASE_CFLAGS = -O3 -DNDEBUG

debug:
	$(MAKE) clean
	$(MAKE) all AM_CFLAGS="$(AM_CFLAGS) $(DEBUG_CFLAGS)"
	$(MKDIR_P) bin/debug
	-cp -P .libs/libvlibc.so* bin/debug/
	-cp .libs/libvlibc.a bin/debug/

release:
	$(MAKE) clean
	$(MAKE) all AM_CFLAGS="$(AM_CFLAGS) $(RELEASE_CFLAGS)"
	$(MKDIR_P) bin/release
	-cp -P .libs/libvlibc.so* bin/release/
	-cp .libs/libvlibc.a bin/release/

bench: all
	$(MAKE) -C benchmarks bench

# Regenerate compile_commands.json (requires `bear`). Captures both the
# library sources and the on-demand benchmark harness.
compile-commands: clean
	bear -- $(MAKE) all
	bear --append -- $(MAKE) -C benchmarks bench_vlibc

.PHONY: debug release bench compile-commands